Regreted or Regretted: How To spell?
The word Regreted is misspelled against Regretted, which is past tense of "Regret"
Regretted has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings regre & ed which should not be misspelled with single 'T'
Wrong Spelling:  regre-t-ed  Correct Spelling:  regre-tt-ed 
Explore spell check of Regretted to spell without errors.